Mine intrinsically safe identification card summarize：
Mine intrinsically safe identification card is a terminal equipment that designed for wireless positioning of mine personnel ; When an emergency occurs, the downhole personnel can trigger alarm through the alarm button on the identification card , real-time alarm messages sent to ground command system.Used for mine containing methane and coal dust .
Mine intrinsically safe identification card parameters：
Working voltage : DC 3.7V ;
Emission current : ≤90mA ;
Operating frequency : 2412.5MHz～2417.5 MHz ;
Receiving sensitivity : -75dBm/m ;
Working conditions :
No more than 2000 meters above sea level ;
Ambient temperature:0～40℃ ;
The atmospheric pressure : (80～106 )kPa ;
Relative humidity: no more than 95% (25℃) ;
Wireless communication distance is not less than 200 m (and equipment)
Mine intrinsically safe identification card photo
Because of the production batch, the specific model are different, the above pictures are only for reference , you can contact our sales staff for further details on the specific verification.
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